#1 Best Private Schools in Elgin, IL
St. Edward Central Catholic High School
Diocesan school · Grades 9–12
The largest Catholic school in Elgin
Elgin, IL
A+Overall grade207 students10 students per teacher
2026 lists
Best Private Schools in Elgin, IL
Private schools in Elgin, IL with the highest overall grades. Top 8 of 8 schools.
#2 Best Private Schools in Elgin, IL
St. Mary School
Diocesan school · Grades Pre-K–8
Smaller classes than 78% of Catholic schools in Illinois
Elgin, IL
A+Overall grade111 students10 students per teacher
#3 Best Private Schools in Elgin, IL
St. Thomas More Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in Illinois
Elgin, IL
A+Overall grade145 students12 students per teacher
#4 Best Private Schools in Elgin, IL
St. Edward Catholic Preparatory Academy
Diocesan school · Grades Pre-K–8
Smaller classes than 98% of Catholic schools in Illinois
Elgin, IL
A-Overall grade90 students5 students per teacher
#5 Best Private Schools in Elgin, IL
Elgin Academy
Independent school · Grades Pre-K–12
The only independent school in Elgin
Elgin, IL
B+Overall grade171 students7 students per teacher
#6 Best Private Schools in Elgin, IL
Harvest Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
The largest Christian school in Elgin
Elgin, IL
BOverall grade438 students12 students per teacher
#7 Best Private Schools in Elgin, IL
Institute of Islamic Education
Islamic · Montessori · Grades 6–12
The only Montessori school in Elgin
Elgin, IL
BOverall grade73 students12 students per teacher
#8 Best Private Schools in Elgin, IL
Westminster Christian School
Christian school (nondenominational) · Grades Pre-K–12
Serving families in Elgin since at least 2011
Elgin, IL
BOverall grade289 students13 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.